Sewing machine



FIG. 1 is a perspective view of a sewing machine showing our new design wherein the support plate is in a closed position;

FIG. 2 is a front view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a rear view thereof; and,

FIG. 8 is a perspective view of a sewing machine showing our new design wherein the support plate is in an open position.

The subject matter shown in dashed lines illustrates the environment of the subject matter of the present invention, and forms no part of the claimed design. 

The ornamental design for a sewing machine, as shown and described. 